Breached Pairing Superfluidity: Possible Realization in QCD

Elena Gubankova, W. Vincent Liu, Frank Wilczek

Research output: Contribution to journalArticlepeer-review

133 Scopus citations


We propose a wide universality class of gapless superfluids, and analyze a limit that might be realized in quark matter at intermediate densities. In the breached pairing color superconducting phase heavy [Formula presented] quarks, with a small Fermi surface, pair with light [Formula presented] or [Formula presented] quarks. The ground state has a superfluid and a normal Fermi component simultaneously. We expect a second-order phase transition, as a function of increasing density, from the breached pairing phase to the conventional color-flavor locked phase.

Original languageEnglish (US)
JournalPhysical Review Letters
Issue number3
StatePublished - Jul 17 2003
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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